program w7w7;
var a:real;
begin
readln (a);
if a<0 then writeln ('otritsatelnoe chislo');
if a>0 then writeln ('pologitelnoe chislo');
end.
program w7w7;
var a:real;
begin
readln (a);
if a<0 then writeln ('otritsatelnoe chislo');
if a>0 then writeln ('pologitelnoe chislo');
end.